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Build System Engineer (Senior)
  • Kraków
Build System Engineer (Senior)
Kraków, Kraków, Lesser Poland Voivodeship, Polska
VirtusLab Sp. z o.o.
23. 5. 2025
Informacje o stanowisku

technologies-expected :


  • Bazel
  • JVM
  • .Net
  • Rust
  • GoLang
  • NPM

about-project :


  • This role is focused on a mixture of consult and dev-rel work around Bazel. This means a mix of:
  • doing Bazel migration
  • promoting Bazel and our expertise through conferences, meetups, blog posts, and Social Media
  • developing open source and internal solutions focused on Bazel
  • pre-sales and consultancy work
  • training and mentoring developers on Bazel
  • This role usually is connected with part-time work within other projects related to Bazel.
  • Tech stack: Bazel, Starlark, Python
  • Team: 2 developer advocate/experts.

responsibilities :


  • This position requires exceptional skills in multitasking. It requires a willingness to public speaking, write articles, and activity within Social Media or discussion forums (e.g., Bazel Slack). It requires a lot of initiative and creativity.

requirements-expected :


  • 5+ years of experience in backend, devops, or platform engineering
  • Experience in developing solutions around building tools, maintaining CI/CD, and other aspects of SDLC
  • Practical knowledge of Bazel or at least one other build tool.
  • Candidate should know well at least one ecosystem (JVM, .Net, Rust, GoLang, NPM etc.)
  • Communication skills and a pragmatic approach to problem-solving
  • Ability to work as a part of a team
  • Pro-active approach to problem-solving, without hesitation in reaching out for help
  • Being self-driven and self-managing tasks

offered :


  • Flexible hybrid work model - you decide where & when to start the work. You can work remotely or join us in one of our modern offices (Krakow, Kielce, Wroclaw), always located in the city centers. Just choose what suits you best!
  • Language lessons - we refund up to 500 PLN (per quarter) for learning all languages you would like to take! What’s more, we refund up to 1 000 PLN (per quarter) for learning the English language.
  • Virtusity – our training division - we really value the personal growth of our #VLteam. That’s why we have a rich offer of internal courses, workshops, etc. (technical, as well as soft skills training) conducted by our employees.
  • Training Package - use our training budget and 24 paid work hours for your development. You can choose the training from our Virtusity portfolio or external conferences, courses, workshops, etc.
  • Home office reimbursement - you can rent all the necessary equipment from our offices, but you can also get up to 800 PLN financial support to set up your WFH.
  • Multisport card or MyBenefit points - do you like sports and want free unlimited admission to sports facilities in your city? Or maybe you prefer the cinema, SPA in the mountains, delicious dinner, or Allegro shopping? At VirtusLab, you decide whether you choose a sports card or vouchers for countless attractions.
  • Private healthcare - our insurers offer allows you to have free health advice, treatments, diagnostic tests, etc., in more than 1,500 clinics operating all over the country.
  • Building tech community - we run 9 meetup groups in Kraków, Kielce, and Rzeszów and support many other local initiatives. We also contribute to numerous open-source projects (world-famous solutions and create our own ones). Check out also Sphere.it - our unique platform with tech videos and online events.

benefits :


  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • remote work opportunities
  • flexible working time
  • integration events

  • Praca Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


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